One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of getting a good idea when you can plant jerusalem artichokes is to use the USDA zone info for Selma.

Planting Calendar for Jerusalem artichokes

Frost tolerance for jerusalem artichokes:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since jerusalem artichokes are moderately cold tolerant you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant jerusalem artichokes in Selma is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant jerusalem artichokes and expect a good harvest is probably October. Any later than that and your jerusalem artichokes may not have a chance to grow to maturity. If you are starting your jerusalem artichokes indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Selma. It might get as low as 20°F during the coldest months of winter.

Keep in mind that USDA zone info for Selma is just an average and the actual date of last frost changes from year to year. Half of the time in Selma you get surprised by a frost after February 15 so make sure that you are prepared to cover your jerusalem artichokes if you have a surprise late frost.

USDA Zone Info for Selma

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Selma

You may be interested in your other planting guides for Selma.